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Finding the Fourth Proportional to 504,512.63, 756,973.97 and 205,016.65

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Solution

The fourth proportional to 504,512.63, 756,973.97 and 205,016.65 is: 307,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,512.63 : 756,973.97 = 205,016.65 : x
  2. Step 2: Convert to fraction form
    504,512.63/756,973.97 = 205,016.65/x
  3. Step 3: Cross multiply
    504,512.63x = 756,973.97 × 205,016.65
  4. Step 4: Simplify right side
    504,512.63x = 155,192,267,466.60
  5. Step 5: Solve for x
    x = 155,192,267,466.60/504,512.63
  6. Step 6: Final answer
    x = 307,608.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.